limit load

简明释义

负载极限

英英释义

例句

1.Before lifting, always check the limit load 极限载荷 of the crane to prevent accidents.

在起吊之前，务必检查起重机的limit load 极限载荷以防止事故。

2.The aircraft was tested to ensure it could handle the maximum limit load 极限载荷 during flight.

飞机经过测试，以确保它能在飞行中承受最大limit load 极限载荷。

3.The limit load 极限载荷 of this elevator is clearly marked inside the cabin.

这部电梯的limit load 极限载荷在机舱内清晰标明。

4.The construction team was trained to recognize the limit load 极限载荷 for each material they used.

建筑团队接受培训，以识别他们使用的每种材料的limit load 极限载荷。

5.Engineers must calculate the limit load 极限载荷 for bridges to ensure safety and stability.

工程师必须计算桥梁的limit load 极限载荷以确保安全和稳定。

作文

In the field of engineering, particularly in structural design and analysis, the term limit load refers to the maximum load that a structure can safely support without experiencing failure. Understanding the concept of limit load is crucial for engineers as it directly impacts the safety and longevity of structures such as bridges, buildings, and other infrastructures. When designing a structure, engineers must consider various factors that contribute to the limit load, including material properties, load distribution, and environmental conditions.The limit load is determined through rigorous calculations and simulations that take into account the expected loads the structure will face throughout its lifespan. These loads can be static, like the weight of the building materials and occupants, or dynamic, such as wind forces or seismic activity. By accurately predicting these loads, engineers can ensure that the structure will not only withstand everyday use but also unexpected events.One of the key aspects of determining the limit load is understanding the material's behavior under stress. Different materials, such as steel, concrete, and wood, have unique properties that affect their strength and durability. For instance, steel has a high tensile strength, making it suitable for high-rise buildings, while concrete is excellent for compressive loads, often used in foundations.Once the limit load is established, engineers can incorporate safety factors into their designs. Safety factors are multipliers applied to the calculated loads to provide an additional margin of safety. This means that even if the actual loads exceed the expected values, the structure will still perform safely. For example, if a bridge is designed with a limit load of 10,000 pounds, a safety factor of 1.5 would mean the bridge should be able to handle up to 15,000 pounds without risk of failure.Moreover, understanding limit load is not just about ensuring safety; it also plays a significant role in cost efficiency. By accurately calculating the limit load, engineers can avoid over-engineering a structure, which can lead to unnecessary costs in materials and construction. A well-designed structure that meets the limit load requirements will be both safe and economical.In addition to structural engineering, the concept of limit load is also applicable in various fields such as aviation and automotive industries. For instance, aircraft are designed with specific limit loads to ensure they can withstand the forces experienced during flight, including turbulence and landing impacts. Similarly, vehicles must adhere to limit load specifications to maintain performance and safety standards.In conclusion, the term limit load is fundamental in engineering and design. It encapsulates the maximum load a structure can safely carry, guiding engineers in their quest to create safe, durable, and cost-effective structures. Understanding and applying the principles behind limit load ensures that our built environment can withstand the challenges it faces, ultimately protecting lives and investments. As technology advances, the methods for calculating and analyzing limit loads will continue to evolve, leading to even safer and more efficient designs in the future.

在工程领域，特别是在结构设计和分析中，术语极限载荷指的是结构可以安全承受的最大载荷，而不会发生失效。理解极限载荷的概念对工程师至关重要，因为它直接影响到桥梁、建筑物和其他基础设施的安全性和耐久性。在设计结构时，工程师必须考虑各种因素，这些因素会影响极限载荷，包括材料特性、载荷分布和环境条件。极限载荷是通过严格的计算和模拟来确定的，这些计算和模拟考虑了结构在其生命周期内将面临的预期载荷。这些载荷可以是静态的，例如建筑材料和使用者的重量，或动态的，例如风力或地震活动。通过准确预测这些载荷，工程师可以确保结构不仅能够承受日常使用，还能应对意外事件。确定极限载荷的关键方面之一是了解材料在应力下的行为。不同的材料，如钢、混凝土和木材，具有独特的特性，会影响其强度和耐久性。例如，钢具有高拉伸强度，适合用于高层建筑，而混凝土在抗压载荷方面表现优异，通常用于基础。一旦确定了极限载荷，工程师就可以在设计中加入安全系数。安全系数是应用于计算载荷的乘数，以提供额外的安全裕度。这意味着即使实际载荷超过预期值，结构仍能安全运行。例如，如果一座桥的设计极限载荷为10,000磅，则安全系数为1.5意味着该桥应能够承受高达15,000磅而不风险失效。此外，理解极限载荷不仅关乎安全，它还在成本效率中发挥着重要作用。通过准确计算极限载荷，工程师可以避免过度设计结构，这可能导致材料和施工上的不必要成本。一个符合极限载荷要求的良好设计结构将既安全又经济。除了结构工程外，极限载荷的概念在航空和汽车工业等多个领域也适用。例如，飞机是根据特定的极限载荷设计的，以确保它们能够承受飞行过程中经历的力量，包括颠簸和着陆冲击。同样，车辆必须遵守极限载荷规范，以维持性能和安全标准。总之，术语极限载荷在工程和设计中是基础性的。它概括了结构可以安全承载的最大载荷，为工程师在创建安全、耐用和经济高效的结构方面提供指导。理解和应用极限载荷背后的原则确保我们的建筑环境能够承受面临的挑战，从而最终保护生命和投资。随着技术的进步，计算和分析极限载荷的方法将继续发展，未来将导致更安全和更高效的设计。